How to cut foam board insulation

Shop and Save on Foam Board Online. Plus, Get Free Shipping on Qualified Orders! Create clear, crisp prints. Ideal for trade shows, displays or home decor. Step - Cut the Foam Insulation Board.

With your utility knife, score the foam insulation board by firmly running the utility knife along the outer edge of your straightedge. This will result in a small impression or etching in the board. While cutting , make sure that your knife cuts to the outside edge, or waste area, of the board.

Just use cans of acrylic paint or brush it on. The problem with traditionally insulated rooms above garages is that there is no thought given to stopping the movement of air through the insulation. For fiberglass to work correctly, it must be in direct contact on all six sides, with.

Foam board insulation is an inexpensive way to add a little extra R-value to your garage door, tool shed or other work spaces in your home or shop. However, it can be very messy and cumbersome to cut. Lay the rigid foam insulation on a flat surface.

Keeping the board flat while you cut will help you make a precise cut. Do not cut rigid foam insulation on decorative tables unless you lay out a protective barrier, like a knife block. We will cut the pink panther insulation board with a putty knife quick and easy.

Great products that every DIYer should know about. Just trying to find the best way to cut pink insulation foam board. Lay a foam sheet with your measured cut line barely over the side of a work table. Hold the insulation steady on the table’s surface with one han while using a handsaw to remove the excess.

We did come up with another idea when we had to cut a LOT of foam board. We sprayed both sides of a thin-blade of a circular saw with Pam or other cooking spray. You can stack the foam board to the depth your circular saw cuts, but will have to reapply cooking spray fairly often.

A saw blade normally burns the foam and gunks up. I have cut a ton of XPS and EPS foam. I cut long piece using my battery operated circular saw.

If the insulation is thick the blade just leaves a hair to cut with a knife. The battery saw is the way to go. Wear a dust mask if cutting EPS and of course its best to do this outside. EPS leaves a lot of dust, xps not so much.

Pink foam insulation board is a simple way to add to the R rating of your home. Lightweight and easy to paint, styrofoam is a great material for any number of arts and crafts. Proven in Over 20Homes. Measure the foam insulation board installation area. Transfer those measurements to the foam board insulation.

Use a straight edge to lightly mark the cut lines on the foam. Cutting incorrectly in shredded and bumpy-edged foam board that looks unprofessional. To attach the insulation , you can use screws with large washers, a special adhesive made for adhering foam board insulation or, for smaller pieces, you can seal them in with caulk or spray foam. Do the cutting with the insulation setting on saw horses. I too, use a large utility razor, with replacable blades.

Foam - insulation boards are high in R-value, but they can also be a nuisance to cut — especially foam boards that are in. A utility knife won’t cut deeply enough. A kitchen knife works, but not very well because the triangular cross section of the blade binds as the cut deepens. In addition, there shouldn’t be any gaps between the polystyrene boards , otherwise the thermal resistance of the insulation layer will decrease significantly. Nevertheless, if there are gaps between the polystyrene sheets, you can solve the problem by spraying polyurethane foam.

Use a cutter to cut the foam and make the surface even. FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products in a wide choice of sizes, thicknesses and edges with a Lifetime Limited Warranty for the life of the home or building. To cut insulation squarely and accurately use a utility knife with snap off blade. Extend the blade all the way out and lock it.

The resulting 3″- 4″ blade will make it easier to cut through thick batts of insulation. Position the insulation on a piece of scrap plywood where you want to cut it. Johns Manville Polyiso foam sheathing insulation boards provide a continuous layer of insulation to reduce thermal bridging and improve energy efficiency.

Polyiso consists of a uniform closed-cell polyisocyanurate foam core and provides one of the highest R-values per inch of any rigid insulation. CenterFire Insulation Knife Kit for cutting foam and batt insulation. Easy To Change Foam Cutting.

We cut a lot of blue insulation in our shop and in fact a wide semiautomated hot wire cutter was built years ago which uses pneumatic cylinders to apply steady pressure to pull the wire down through the foam. By cutting foam board to fit in your windows, you can increase your window insulation by however thick you make your foam. Foam Insulation Shutters: Neatly cut sheets of blue or pink foam board insulation just slightly smaller than your window opening and remove the plastic film.